#4BBC91
Closest named color: Green Blue (#01C08D). oklch(71.9% 0.121 164.9), rgb(75, 188, 145).
Aa
Black text reads best on this color (8.90:1).
About this color
#4BBC91 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.121 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.028 away. Black text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #4BBC91 |
| RGB | rgb(75, 188, 145) |
| HSL | hsl(157, 46%, 52%) |
| OKLCH | oklch(71.9% 0.121 164.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4BBC91 | 2.35:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #4BBC91 | 8.90:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #4BBC91 text on white | 2.35:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #4BBC91 text on black | 8.90:1 | AAA | Lc -55.8 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C0E2D2
oklch(88.4% 0.042 165.3)
-
Step 300
300
#92D1B4
oklch(81% 0.077 164.3)
-
Step 400
400 (this color)
#4BBC91
oklch(71.9% 0.121 164.9)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#4BBC91 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #B8B08F | 0.119 |
| Deuteranopia (no green cones) | #A8A494 | 0.115 |
| Tritanopia (no blue cones) | #00BCB0 | 0.047 |
| Achromatopsia (no color) | #A9A9A9 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BBC91
#4BBC91
oklch(71.9% 0.121 164.9)
- #DA84B6
#DA84B6
oklch(71.9% 0.122 344.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4BBC91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.028
- Greeny Blue #42B395 ΔE 0.030
- Greenblue #23C48B ΔE 0.032
- Dark Seafoam #1FB57A ΔE 0.044
- Topaz #13BBAF ΔE 0.046
- Dark Mint #48C072 ΔE 0.047
- Medium Sea Green #3CB371 ΔE 0.047
- Bluey Green #2BB179 ΔE 0.047
Use #4BBC91 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.